Question 3(iii) Find the following squares by using identities: (6x2−5y)2
(6x2−5y)2=(6x2)2–2×6x2×5y+(5y)2 [Using identity (a−b)2=a2−2ab+b2] =36x4−60x2y+25y2
Question 3(v) Find the following squares by using identities: (0.4p−0.5q)2