NDA2021MathematicsBasics of MathematicsActual
If ₁₀ 2 ₂ 10+ ₁₀ (10^x )=2 , then what is the value of x ?
Options
- A0
- B1
- C₂ 10
- D₅ 2
Correct answer
B. 1
Step-by-step solution
aligned & ₁₀ 2 ₂ ¹⁰+ ₁₀ (10^x )=2 & ₁₀ 10+x ₁₀ 10=2 [ _b ^a _a ^c= _b c ] & 1+x=2 & x=1 [ ₁₀ 10=1 ] aligned