Question

Assertion (A): 12+12+12+12+12 =2cos,
Reason (R): 12+12+12+12+...........n times = 2 cos*
a) A is true, R is true and R is the correct explanation of A.
b) A is true, R is true and R is not the correct explanation of A.
c) A is true, R is is false
d) A is false.R is true



anyone, please say the correct answer fastly​

Answer 1

Answer:

a is true r is true and r is not the correct explanation of a

Answer 2

Answer:

i think b is the right answer