Question

To rationalise the denominator of the expression 1/√7-√6,we multiply and divide by​

Answer 1

Answer:

we multiply the denominator by √7+√6

Step-by-step explanation:

1/√7-√6

rationalizing

1(√7+√6)

(√7-√6)(√7+√6)

= √7+√6

(√7)²-(√6)² [using a²-b²= (a+b)(a-b)]

= √7+√6

7-6

= √7-√6 (answer)

hence the provided expression has been rationalised.