Question

Solve by quadratic formula:

$9. \: 9 {}^{x} + 6 {}^{x} = 2 \times 4 {}^{x}$
Ans: 0

Standard:- 10

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Answer 1

${( \frac{3}{2} )}^{x} = {( \frac{3}{2}) }^{0}$

If bases are equal, powers are equal,


x = 0