Question

Evaluate.
(4a – 5b)(4a + 5b)(16a2

+ 25b2)​

Answer 1

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Answer 2

Question

Evaluate.

(4a – 5b)(4a + 5b)(16a² + 25b²)

Answer

• ⇒(4a – 5b)(4a + 5b)(16a² + 25b²)
• ⇒(16a² - 25b²)(16a² + 25b²)
• ⇒25a⁴ - 625b⁴ Ans

Formula used:-

• a² - b² = (a + b)(a - b)