Question

If the third terms in the expansion of is equal to 10,00,000 then x =

• A. 10
• B. 10 or $- \frac { 5 } { 2 }$
• C. 10 or 10^–5/2
• D. No such x exist.

Answer 1

Answer: (C)

10 or 10^–5/2

Answer 2

T₃ = T₂₊₁ = ⁵C₂ x³= 10⁶

\

\

\ $\left( \log _ { 10 } ^ { \mathrm { X } } - 1 \right) \left( 2 \log _ { 10 } ^ { \mathrm { X } } + 5 \right) = 0$