Hard Math Class 9 Level 2

If 4ˣ × 2ˣ = 128 then what is the value of x?

यदि 4ˣ × 2ˣ = 128 हो तो x का मान क्या होगा?

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Correct Answer

B. 7/3 / 7/3

Explanation

4ˣ × 2ˣ = 2²ˣ × 2ˣ = 2³ˣ and 128 = 2⁷ so x = 7/3.

4ˣ × 2ˣ = 2²ˣ × 2ˣ = 2³ˣ और 128 = 2⁷ इसलिए x = 7/3।

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