Expand l is equal to root of h saqure +r sq
Answers
Answered by
0
Answer:
I=(h+r)(h-r)
Step-by-step explanation:
I=h^2+r^2.
I=(h+r)(h-r). [ by using the formula a^2-b^2 ]
Answered by
0
Step-by-step explanation:
"I"can be expressed as
I = ((h+r)^2)-(2*h*r).
or
I = ((h-r)^2)+(2*h*r)
by using (h+r)^2 = h^2 + r^2 + (2*h*r)
or (h-r)^2 = h^2 + r^2 - (2*h*r)
Similar questions