`1+i` is equal to

(1+2i)/(1+3i) is equal to

sum_(i=1)^(n) sum_(i=1)^(n) i is equal to

In the circuit shown, current through the resistance 2Omega is i_1 and current through the resistance 30Omega is i_2 . The ratio i_1/i_2 is equal to

The value of (1-i)^3/(1-i^3) is equal to

Let I_1=int_0^1e^(x^2)dx and I_2=int_0^(1)2x^(2)e^(x^2)dx then the value of I_1 +I_2 is equal to

If sum_(i=1)^200 sin^-1 x_i=100pi, then sum _(i=1)^200 x_i^2 is equal to

Express the number appearing in the following statements in standard form. (i) 1 micron is equal to 1/(1000000)

If i=sqrt(-1) , then (i^(n)+i^(-n), n in Z) is equal to

If i=sqrt(-1) , then (i^(n)+i^(-n), n in Z) is equal to