Question

Write the following in the expanded form:
(i) ( 3a + 4b )
3
(ii) ( 5p – 3q + 1⁄2 r )2

Answer 1

Answer:

I hope in (i) it is given (3a+4b)3

then, (i) 3a×3 + 4b×3 = 9a + 12b

(ii) (5p - 3q + ¹/₂ r)2 = 5p×2 - 3q×2 +¹/₂ r ×2

=> 10p - 6q + r