If A = 58 2 − 25 2 46 2 − 37 2 A = \frac{58^2 - 25^2}{46^2 - 37^2} A = 4 6 2 − 3 7 2 5 8 2 − 2 5 2 and B = 26 2 − 15 2 56 2 − 15 2 , B = \frac{26^2 ...

SSC SSC CGL Tier 2 Easy Basic algebra MCQ

Question

If

A = \frac{58^2 - 25^2}{46^2 - 37^2}

and

B = \frac{26^2 - 15^2}{56^2 - 15^2},

then find the value of

\frac{1}{B} - \frac{20}{A}.

Options

A.

2

B.

1

C.

-1

D.

0

difference of squaresalgebraic simplificationfractions

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