Q. Simplify the expression to a+bi form:−144+−80+1+−5Answer:
Given expression: Given expression:−144+−80+1+−5Express the expression using i for the square roots of negative numbers.−144+80i+1+5i
Express using i: Simplify the square roots of the positive numbers and express the square roots of negative numbers in terms of i.−144+80i+1+5i=−12+16⋅5i+1+5i=−12+45i+1+5i
Simplify square roots: Combine like terms.−12+45i+1+5i=(−12+1)+(45i+5i)=−11+55i
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