Binomial TheoremHard

Question

If the 6^th term in the expansion of is 5600, then x =

Options

A.10

B.8

C.11

D.9

Solution

T₆ = ⁸C₅ (x² log₁₀ x)⁵ = 5600
⇒ x¹⁰ (log₁₀ x)⁵ = 100
⇒ x = 10

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