B. 2 / 2
Explanation2ˣ × 2ˣ⁺¹ = 2²ˣ⁺¹ and 32 = 2⁵ so 2x + 1 = 5 and x = 2.
2ˣ × 2ˣ⁺¹ = 2²ˣ⁺¹ और 32 = 2⁵ इसलिए 2x + 1 = 5 और x = 2।
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