Write down the following products:
(3a2 - b2)(2a2 + 5b2)
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Given,
⇒ (3a2 - b2)(2a2 + 5b2)
⇒ (6a4 + 15a2b2 - 2a2b2 - 5b4)
⇒ (6a4 + 13a2b2 - 5b4).
Hence, (3a2 - b2)(2a2 + 5b2) = 6a4 + 13a2b2 - 5b4.
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