Write down the following products:
(3a2 - b2)(2a2 + 5b2)
2 Likes
Given,
⇒ (3a2 - b2)(2a2 + 5b2)
⇒ (6a4 + 15a2b2 - 2a2b2 - 5b4)
⇒ (6a4 + 13a2b2 - 5b4).
Hence, (3a2 - b2)(2a2 + 5b2) = 6a4 + 13a2b2 - 5b4.
Answered By
(7m - 2)(4m + 3)
(2y - 3)(3y - 5)
If a + b = 12 and ab = 35, then (a − b)2 =
2
4
16
20
If a + b = 16 and a − b = 2, then ab =
48
56
63
65