App Logo

No.1 PSC Learning App

1M+ Downloads

Value of -1/i-39 is:

A1

B-1

Ci

D-i

Answer:

C. i

Read Explanation:

1i39\frac{-1}{i^{-39}}

an=1/aa^{-n}=1/a

i39=1i39i^{-39}=\frac{1}{i^{39}}

1i39\frac{-1}{i^{-39}}

=1×i39= -1\times{i^{39}}

=1×i=-1\times{-i}

=i=i

i39=i\because{i^{39}=-i}


Related Questions:

0.524 ൽ നിന്നും 0.313 കുറച്ചാൽ എത്ര കിട്ടും?
Solve 4 1/6 +5 1/6 + 8 1/6

If ab=cd=5\frac{a}{b}=\frac{c}{d}=5, then 3a+4c3b+4d\frac{3a+4c}{3b+4d} is equal to?

(0.05)2×120=(0.05)^2\times\frac1{20}=

5/3 + 7/3 + 4/3 +2/3 =