Question

If 2, 3 are the roots of the equation 2x^3 + px^2 -13x +q = 0) then (p, q).

Answer 1

Step-by-step explanation:

2+3i)2+p(2+3i)+q=0

4−3+43i+2p+3pi+q=0

⇒(1+2p+q)+(43+3p)i=0

⇒2p+q=−1; p=−4

⇒q=−1+8=7

⇒ (A).