factorize the following.81x^4-121x^2
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Answered by
14
Answer:
x²[9x + 11][9x - 11]
Step-by-step explanation:
Given Equation is 81x⁴ - 121x²
'Take out common factor'
= x²[81x² - 121]
= x²[(9x)² - (11)²]
∴ a² - b² = (a + b)(a - b)
= x²[9x + 11][9x - 11].
Hope it helps!
Answered by
3
Answer:
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