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Third term in expression of `(x + x^(log_(10)x))^(5)` is `10^(6)` than possible value of `x` areA. `1`B. `10`C. `10^(-5//2)`D. `10^(6)` |
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Answer» Correct Answer - B::C `T_(3) = .^(5)C_(2)x^(3)(x^(log_(10)x))^(2) = 10.x^(3+2log_(10)x)=10^(6)` `rArr x^(3+2log_(10)x) = 10^(5)` taking `log` on both sides `(3 + 2log_(10)x)log_(10)x=5` `rArr log_(10)x = 1` or `-(5)/(2)` |
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