rationalise the denominator4/√11-√7
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Answered by
0
Answer:
4(√11+√7)/(√11)^2-(√7)^2
4(√11+√7)/4
4 gets canceled
ans. (√11+√7)
arnsingh:
so it,s not better answer beacuse l do not understand this answer , sorry
you don't understand so ask to your mam or sir you have not understand the chapter basic how can you understand this
Answered by
1
Answer:
Step-by-step explanation:
- 4/root 11 -root 7
- multiply it with root 11-root7/root11-root7
- now identity of (a+b)(a-b) will be used for denominator
- 4(root11-root7)/root 11 square -root 7 square
- 4(root11-root7)/11-7
- 4(root11-root 7)/4
- 4 and 4 will be cancel
- answer= root11-root7
- hope you like it
- plz add it to brainlist
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