Math, asked by majotpandher50501, 10 months ago

The first term of an A.P. is 2 and common difference is 4, the sum of its 40 terms is (a) 3200 (b) 1600 (c) 200 (d) 2800

Answers

Answered by raju35678

1

Step-by-step explanation:

sum of the terms of Ap=n/2[2a+(n-1)d]

a=2, d=4, n=40

sum of the terms of AP =40/2[4+(40-1)4]

=20[4+39*4]

=20[4+156]

=20[160]

=3200

Ans is option a

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