CA Foundation doubt

If a and b are the roots of the equation 2x ^ 2 + 5x + k = 0 and 4(a ^ 2 + b ^ 2 + ab) = 23 then which of the following is true? (a) k ^ 2 + 3k - 2 = 0 (b) k ^ 2 - 2k - 2 = 0 (c) k ^ 2 - 2k - 3 = 0 (d

Asked by Nishi15 Aug 2024354 views