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Assertion (A): In theexpansion of (1+x)^n, three consecutive terms are 5, 10,10 then n = 5 Reason (R ): If the coefficient of r^(th), (r + 1)^(th), (r + 2)^(th) terms of (1 +x)^n are in A.P. then (n-2r)^2 = n +2 |
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Answer» A and R are true , R is CORRECT explanation of A |
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