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Nilai dari 98 ​ + 50 ​ − 8 ​ − 72 ​ = ....

Nilai dari  ....

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N. Puspita

Master Teacher

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nilaidari adalah .

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.

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Operasi Aljabar Pada Bentuk Akar 1. 2. 3. 4. 5. Soal di atas dapat diselesaikan dengan Jadi, nilaidari adalah .

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.

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Diketahui p dan q adalah bilangan bulat. Jika p 7 ​ + q 5 ​ − 2 p 5 ​ + q 7 ​ = 9 5 ​ + 3 7 ​ , nilai pq adalah ....

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