Let a_1, a_2, a_3, be in an arithmetic progeression of positive terms. Let A_k = a_1^2 - a_2^2 + a_3^2 -...

Question

Let a_1, a_2, a_3, be in an arithmetic progeression of positive terms. Let A_k = a_1^2 - a_2^2 + a_3^2 - a_4^2 + + a_ 2k-1 ^2 - a_ 2k ^2. If A_3 = -153, A_5 = -435 and a_1^2 + a_2^2 + a_3^2 = 66, then a_ 17 - A_7 is equal to __________.

Accepted Answer

910

JEE Main 2024 Mathematics question

Solution

See the full step-by-step solution