Evaluate: `(2a+3b)^2+4(2a+3b)+4`

Evaluate: (4a + 3b)^(2)- (4a-3b)^(2) + 48ab

Evaluate : (ix) (2a - 3b) (3a + 4b)

Evaluate : (iii) (4a - 3b) (2a + 5b)

Evaluate : (viii) (3a^(2) - 4b^(2) ) (8a^(2) - 3b^(2) )

Evaluate : 3b^(4) when b=2

Factorise : (2a + b)^(2) - 6a - 3b - 4

Evaluate : (i) ((a)/(2b)+(2b)/(a))^(2)-((a)/(2b)-(2b)/(a))^(2)-4 (ii) (4a+3b)^(2)-(4a-3b)^(2)+48ab

a^2b^3\ X\ 2a b^2 is equal to: (a) 2a^3b^4 (b) 2a^3b^5 (c) 2a b (d) a^3b^5

Evaluate : (i) (cos 3A - 2 cos 4A)/(sin 3 A + 2 sin 4A) , when A = 15^(@) (ii) (3 sin 3B + 2 cos(2B + 5^(@)))/(2 cos 3B - sin(2B - 10^(@))) , when B = 20^(@)

Factorise : 2ab^(2) c - 2a + 3b^(3) c - 3b - 4b^(2) c^(2) + 4c