How are roots being cancelled in these cases...what are the basics of cancelling roots in all kind if operations?!
Properties of roots (in all operations)?!
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When there is a power of 2 inside a root (✓) then we put modulus.
If you are in 10th class or below, you can simply cut the root and the power.
Root means 1/2 power and square = 2 power.
In the expression, powers are multiplied, thus 2 x 1/2 = 1.
and the expression becomes simple.
But from class 11 onwards, modulus is put and three cases are formed.
If you are in 10th class or below, you can simply cut the root and the power.
Root means 1/2 power and square = 2 power.
In the expression, powers are multiplied, thus 2 x 1/2 = 1.
and the expression becomes simple.
But from class 11 onwards, modulus is put and three cases are formed.
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