F(d)=(d+1)(d-1+6)
f(d)=(d+1)(d+5)
f(2)=(2+1)(2+5)
f(2)=(3)(7)
f(2)=21
Answer:
1350
Step-by-step explanation:
use binomial general term expression for (r+1)th term
get the power of x in terms of r.
equate the expression to -2 and solve for r.
replace value of r and calculate the coefficient.
Answer:
4y + 3
Step-by-step explanation:
An equilateral triangle has three sides of equal length.
The length of each side is 1/3 of the perimeter.
(12y + 9)/3 = 12y/3 + 9/3 = 4y + 3
Answer: 4y + 3
Answer:
pp
Step-by-step explanation:
Answer:
what grade
Step-by-step explanation: