Q. Simplify the expression to a+bi form:−1−−48+81+−3Answer:
Given expression: Given expression:−1−−48+81+−3Express the expression using i for the square roots of negative numbers.−1−48i+81+3i
Express using i: Simplify the square roots of positive numbers and express the square roots of negative numbers in terms of i. −1−48i+81+3i = −1−43i+9+i
Simplify square roots: Combine like terms to simplify the expression further.−1−43i+9+i=(−1+9)+(−43i+i)=8−43i+i
Combine like terms: Combine the imaginary terms.8−43i+i= 8+(−43+1)i
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