What are the roots of the equation 4^x – 3.2^(x + 2) + 32 = 0 ? -Maths 9th

What are the roots of the equation 4^x – 3.2^(x + 2) + 32 = 0 ? -Maths 9th
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Last Answer : (b) 1 Let the roots of the equation kx2 - 5x + 6 = 0 be α and β. Then, α + β = \(\frac{5}{k}\) ...(i) αβ = \(\frac{6}{k}\) ...(ii) Given \(\ ... frac{9}{k}\) ⇒ 9k2 - 9k = 0 k(k - 1) = 0 ⇒ k = 0 or 1 But k = 0 does not satisfy the condition, so k = 1.

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