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16. On simplification -3a2a-(4a2 +b).the value is(a) b2-a2(c) 3a2+ b2(b) b -3a?(d) Sa -b2

Answer»

-3a² - [ 2a² - (4a² + b²)]

-3a² - 2a² + 4a² + b²

b² - a²

option (a) is correct



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