Answer:
The first one
Step-by-step explanation:
Answer:
a+b/2×h=56
Step-by-step explanation:
thanks needed.......
Answer:
Ans: 29
Step-by-step explanation:
soln:
Given,
x=3 and y=-2
Now,
x^2-3xy+1/2y^2
= 3^2-3×3×(-2) +1/2(-2)^2
= 9+18+4/2
= (18+36+4) /2
= 58/2
= 29 Ans
Complex numbers are numbers that can be expressed in the form a + bi, a and b are real numbers whereas I is the imaginary unit that satisfies the equation I^= -1. In this expression, a is referred as the real part of the complex number, b is referred as the imaginary part.