Plzz help me with this.
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KEY POINTS TO REMEMBER :-
☸️ Rationalizing the terms :- It is by making the denominator a rational number.
☸️ When square is transposed to the other side of the equation, Then it becomes Plus-Minus under root.
☸️ (a+b) ²=a² + b² + 2ab
☸️ (a-b) ²= a² + b² - 2ab
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rani712005:
Oo
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answer is not + - 4.
it's 4.
let take example
value of √x²=x
but value of x is + -4.
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