Answer:
Step-by-step explanation:
Since you placing a power to a power you must multiply both powers.
3 × 3 = 9
Therefore your answer is
Answer:
The sum of first 4n terms is -10n.
Step-by-step explanation:
The formula for sum of n terms of an AP is
It is given that the sum of the first n terms of an A. P. is 2n and the sum of the first 2n terms is n.
..... (1)
..... (2)
Solve equation (1) and (2) by elimination method.
The sum of first 4n terms is
Put the value of a and d.
Therefore the sum of 4n terms is -10n.
Since the angle they have to equal is 97 the answer is 12
Answer:
=8m
Step-by-step explanation:
=5m+3m
=m+m+m+m+m+m+m+m
=8m