RT 4 - Mathematical KnowledgeEvaluate (−a)3(b−a)2−3c, when a=4,b=5, and c=2A 5/12B −5/12C 5/64D −5/64Click the button or type the letter to the left of you
Q. RT 4 - Mathematical KnowledgeEvaluate (−a)3(b−a)2−3c, when a=4,b=5, and c=2A 5/12B −5/12C 5/64D −5/64Click the button or type the letter to the left of you
Calculate values a, b, c: Calculate the values of a, b, and c in the expression.a=4, b=5, c=2.
Substitute values into expression: Substitute the values of a, b, and c into the expression (−a)3(b−a)2−3c. Expression becomes (−4)3(5−4)2−3×2.
Simplify expression step by step: Simplify the expression step by step.First, calculate (5−4)2=12=1.Then, calculate −3⋅2=−6.Next, calculate (−4)3=−64.Now, substitute these values back into the expression: (1−6)/(−64).
Simplify (1−6)/(−64): Simplify (1−6)/(−64).1−6=−5.So, the expression becomes −5/(−64).
Simplify −−645: Simplify −−645.−−645 divided by −64 simplifies to 645.
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