Factorise: 196a^2 - 81b ^2
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Answered by
1
Answer:
(14a+9b)(14a-9b)
Step-by-step explanation:
196a² - 81b²
= 14²*a² - 9²*b²
=> (14a)² - (9b)²
=> (14a+9b)(14a-9b)
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