Plss help me ans this question :a+3d/a+9d =a+d/a+5d=k, then find the value of k (a,d0)

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Plss help me ans this question :a+3d/a+9d =a+d/a+5d=k, then find the value of k (a,d>0)

Vikas TU · Answer

a+3d/a+9d =a+d/a+5d do cross multiyply, (a+3d)(a+5d) = (a+d)(a+9d) a^2 + 5ad + 3ad + 15d^2 = a^2 + 9ad + ad + 9d^2 -2ad + d^2 = 0 or d^2 – 2ad = 0 d(d – 2a) = 0 d cannot be zero. Therefore, d = 2a k = 3a/11a = 3/11.

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Plss help me ans this question :a+3d/a+9d =a+d/a+5d=k, then find the value of k (a,d>0)

Plss help me ans this question :a+3d/a+9d =a+d/a+5d=k, then find the value of k (a,d>0)

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