Question

How 't' comes to 2 as answer?? Please explain.​

Answer 1

solution:

LHS=

$\frac{882}{800}$

divide numerator and denominator by 2

$= \frac{441}{400}$

RHS

$( \frac{21}{20} ) {}^{t}$

if t = 2

$(\frac{21}{20} ) {}^{2} = \frac{441}{400} = lhs$

so the value of t = 2

hence proved

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