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Nilai dari  ....

Pertanyaan

Nilai dari square root of 98 plus square root of 50 minus square root of 8 minus square root of 72 equals ....

Pembahasan Video:

Pembahasan Soal:

Operasi Aljabar Pada Bentuk Akar

1. square root of a times square root of b equals square root of a b end root 

2. fraction numerator square root of a over denominator square root of b end fraction equals square root of a over b end root 

3. a square root of c plus b square root of c equals open parentheses a plus b close parentheses square root of c 

4. a square root of c minus b square root of c equals open parentheses a minus b close parentheses square root of c 

5. square root of left parenthesis a plus b right parenthesis plus-or-minus 2 square root of a b end root end root equals square root of a plus-or-minus square root of b comma space a greater than b 

Soal di atas dapat diselesaikan dengan 

table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell square root of 98 plus square root of 50 minus square root of 8 minus square root of 72 end cell row blank equals cell square root of 49 times 2 end root plus square root of 25 times 2 end root minus square root of 4 times 2 end root minus square root of 36 times 2 end root end cell row blank equals cell square root of 49 times square root of 2 plus square root of 25 times square root of 2 minus square root of 4 times square root of 2 minus square root of 36 times square root of 2 end cell row blank equals cell 7 square root of 2 plus 5 square root of 2 minus 2 square root of 2 minus 6 square root of 2 end cell row blank equals cell open parentheses 7 plus 5 minus 2 minus 6 close parentheses square root of 2 end cell row blank equals cell 4 square root of 2 end cell end table 

Jadi, nilai dari square root of 98 plus square root of 50 minus square root of 8 minus square root of 72  adalah 4 square root of 2.

Pembahasan terverifikasi oleh Roboguru

Dijawab oleh:

N. Puspita

Terakhir diupdate 13 September 2021

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Pertanyaan yang serupa

Bentuk sederhana dari  adalah...

Pembahasan Soal:

Sesuai dengan sifat bilangan berpangkat, maka:

table attributes columnalign right center left columnspacing 0px end attributes row cell square root of 54 plus 4 square root of 24 minus 2 square root of 6 end cell equals cell square root of 9 times 6 end root plus 4 square root of 4 times 6 end root minus 2 square root of 6 end cell row blank equals cell 3 square root of 6 plus 8 square root of 6 minus 2 square root of 6 end cell row blank equals cell 9 square root of 6 end cell end table 

Jadi, bentuk sederhana dari square root of 54 plus 4 square root of 24 minus 2 square root of 6 adalah 9 square root of 6.

1

Roboguru

Hasil dari  adalah ....

Pembahasan Soal:

table attributes columnalign right center left columnspacing 0px end attributes row cell 2 square root of 18 plus 5 square root of 2 minus 3 square root of 98 plus square root of 162 end cell equals cell 2 square root of 9 times 2 end root plus 5 square root of 2 minus 3 square root of 49 times 2 end root plus square root of 81 times 2 end root end cell row blank equals cell 2 times 3 square root of 2 plus 5 square root of 2 minus 3 times 7 square root of 2 plus 9 square root of 2 end cell row blank equals cell 6 square root of 2 plus 5 square root of 2 minus 21 square root of 2 plus 9 square root of 2 end cell row blank equals cell open parentheses 6 plus 5 minus 21 plus 9 close parentheses square root of 2 end cell row blank equals cell negative square root of 2 end cell end table

Jadi, hasil dari begin mathsize 14px style 2 square root of 18 plus 5 square root of 2 minus 3 square root of 98 plus square root of 162 end style adalah begin mathsize 14px style negative square root of 2 end style.

0

Roboguru

Nilai dari  adalah ...

Pembahasan Soal:

table attributes columnalign right center left columnspacing 0px end attributes row cell 3 square root of 8 plus 4 square root of 50 minus square root of 32 end cell equals cell 3 square root of 4 times 2 end root plus 4 square root of 25 times 2 end root minus square root of 16 times 2 end root end cell row blank equals cell 3 times 2 square root of 2 plus 4 times 5 square root of 2 minus 4 square root of 2 end cell row blank equals cell 6 square root of 2 plus 20 square root of 2 minus 4 square root of 2 end cell row blank equals cell 22 square root of 2 end cell end table 

Jadi, jawaban yang tepat adalah A

1

Roboguru

Nilai dari adalah ...

Pembahasan Soal:

square root of size 14px 300 size 14px minus square root of size 14px 75 size 14px plus size 14px 2 square root of size 14px 48 size 14px minus size 14px 7 square root of size 14px 3  size 14px equals square root of size 14px 100 size 14px. size 14px 3 end root size 14px minus square root of size 14px 25 size 14px. size 14px 3 end root size 14px plus size 14px 2 square root of size 14px 16 size 14px. size 14px 3 end root size 14px minus size 14px 7 square root of size 14px 3  size 14px equals size 14px 10 square root of size 14px 3 size 14px minus size 14px 5 square root of size 14px 3 size 14px plus size 14px 8 square root of size 14px 3 size 14px minus size 14px 7 square root of size 14px 3  size 14px equals size 14px 6 square root of size 14px 3

0

Roboguru

Bentuk sederhana dari  adalah ....

Pembahasan Soal:

table attributes columnalign right center left columnspacing 0px end attributes row cell 2 square root of 48 minus 4 square root of 3 plus 3 square root of 75 minus 3 square root of 12 end cell equals cell 2 square root of 3 cross times 16 end root minus 4 square root of 3 plus 3 square root of 3 cross times 25 end root minus 3 square root of 3 cross times 4 end root end cell row blank equals cell 2 cross times 4 square root of 3 minus 4 square root of 3 plus 3 cross times 5 square root of 3 minus 3 cross times 2 square root of 3 end cell row blank equals cell 8 square root of 3 minus 4 square root of 3 plus 15 square root of 3 minus 6 square root of 3 end cell row blank equals cell 13 square root of 3 end cell end table

Jadi, bentuk sederhana dari soal tersebut adalah 13 square root of 3.

0

Roboguru

Roboguru sudah bisa jawab 91.4% pertanyaan dengan benar

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