We use quadratic formula for that one
remember that √-1=i
so
for
ax^2+bx+c=0
so
given
1x^2+5x-5=0
a=1
b=5
c=-5
solutions:
Answer:
516
Step-by-step explanation:
Step-by-step explanation:
Here we are given that , the Value of
And we need to find the prove that ,
We know a identity as ,
On cubing both sides of the given equation,
Simplify and then substitute ,
Hence Proved !
The Answer to the Problem Is B