Pertanyaan

Penyederhanaan dari 1 a + 1 b a 2 - b 2 a 2 − b 2 a 1 + b 1 adalah ....

Penyederhanaan dari $\frac{\frac{1}{a} + \frac{1}{b}}{a ^{2} - b ^{2}}$ adalah ....

$begin mathsize 12px style fraction numerator 1 over denominator a b squared minus a squared b end fraction end style$
$begin mathsize 12px style fraction numerator 1 over denominator a squared b minus a b squared end fraction end style$
$begin mathsize 12px style fraction numerator a b over denominator a b squared minus a squared b end fraction end style$
$begin mathsize 12px style fraction numerator a b over denominator a squared b minus a b squared end fraction end style$

Ikuti Tryout SNBT & Menangkan E-Wallet 100rb

Habis dalam

Klaim

P. Anggrayni

Master Teacher

Jawaban terverifikasi

Pembahasan

$begin mathsize 12px style fraction numerator begin display style 1 over a plus 1 over b end style over denominator a squared minus b squared end fraction equals fraction numerator begin display style fraction numerator a plus b over denominator a b end fraction end style over denominator left parenthesis a minus b right parenthesis left parenthesis a plus b right parenthesis end fraction space space space space space space space space space space space space space space space equals fraction numerator begin display style a plus b end style over denominator begin display style a b end style end fraction space. space fraction numerator 1 over denominator left parenthesis a minus b right parenthesis left parenthesis a plus b right parenthesis end fraction space space space space space space space space space space space space space space space equals fraction numerator 1 over denominator a b open parentheses a minus b close parentheses end fraction space space space space space space space space space space space space space space space equals fraction numerator begin display style 1 end style over denominator begin display style a squared b minus a b squared end style end fraction end style$