Rationalise the following: I) 1/√7 II) 1/√2+ √5
Answers
Answered by
0
Answer:
1) √7/7
2) -√2-√5/3
Explanation:
1) 1/√7
= 1/√7×√7/√7
=√7/7
2) 1/√2+√5
= 1/√2+√5×√2-√5/√2-√5
=√2-√5/2-5
=-√2-√5/3
Similar questions