Question

How many terms of the series 2 +4 +6 +..... amount to 42 ?​

Answer 1

Answer:

+8+10+12

answerhshjs ka ksj

Answer 2

Step-by-step explanation:

42= n/2(2(2)+(n-1)2)

84=n(2n+2)

84=2n²+2n

42=n²+n

n²+n-42=0

n²+7n-6n-42

n(n+7)-6(n+7)

n=6

6 terms lead to 42

Please mark me Brainliest and follow me