17 (i) 2p+3q 4p2-6pq+9q2 ii) x+1xx2-1+1x2 19 - Maths - Expansions

Question

17 (i) 2 p + 3 q   4 p 2 - 6 p q + 9 q 2 i i )     x
+ 1 x x 2 - 1 + 1 x 2
19 (2x + 3y +4z) 4 x 2 + 9 y 2 + 16 z 2 - 6 x y - 12 y z - 8 z x

Ayush Jain · Accepted Answer

17 (i) 2 p + 3 q 4 p 2 - 6 p q + 9 q 2 i i ) x + 1 x x 2 - 1 + 1 x 2 . 19. (2x + 3y +4z) 4 x 2 + 9 y 2 + 16 z 2 - 6 x y - 12 y z - 8 z x .