Question

• A. 18
• B. 15
• C. 12
• D. 14

Answer 1

Answer:

A. 18

$(3x-2y)^2(x^2+y^3)^2$

$(9x^2-12xy+4y^2)(x^4+2x^2y^3+y^6)$

coefficient of $x^4y^3$

$9x^2\times 2x^2y^3$

$18x^4y^3$