Question

can 240 be the sum of consequitive of an arthemetic sequence 7, 11, 15​

Answer 1

Answer:

Step-by-step explanation:

As given a =7 and d=4

So applying formula Sum = 240

Then solve it u'll get a quadratic eqn that is 4n^2 + 10n - 480 = 0

Then do solve this equation

If a real root is coming that means 240 will be the sum.

Hope it helps

PLS do mark it braninlest

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