Question Practice

Qn #1083
If (1 + x – 2x2)= 1 + a1x + a2x+ ... + a12x12, then the value a+ a+ a+ ... + a12
    ❓ Question: If (1 + x – 2x2)6 = 1 + a1x + a2x2 + ... + a12x12,... | TANCET Group Studies | Tancet Group Studies