Question

Conjugate surd of (√3 − 5) is _____.​

Answer 1

Question :- what is the conjugate of √3 - 5 ?

Solution :-

we know that, to find the conjugate of binomial surds, we changes the sign in between the terms, that is,

• '+' becomes '-' .
• '-' becomes '+'.

so, as we can see that,

→ √3 - 5 = '-' in between .

then,

→ '-' becomes '+' .

therefore,

→ the conjugate of √3 - 5 = √3 + 5 (Ans.)

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Answer 2

SOLUTION

TO FILL IN THE BLANK

Conjugate surd of (√3 − 5) is _____

CONCEPT TO BE IMPLEMENTED

If ( a + √b ) is a given surd then Conjugate surd of ( a + √b ) is ( a + √b )

EVALUATION

Here the given surd is (√3 − 5)

Hence the required Conjugate surd of (√3 − 5) is ( - √3 − 5)

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