1 / root7-root5 find it
Answers
Answered by
12
Step-by-step explanation:
1/√7-√5
- MULTIPLYING BY √7+√5 TO BOTH NUMERATOR AND DENOMINATOR TO RATIONALISED DENOMINATOR.(1/√7-√5)×(√7+√5/√7+5).
- √7+√5/√7-√5×√7+√5
- √7+√5/(√7)^2-(√5)^2
- √7+√5/7-5
- √7+√5/2 <-------- ANSWER,HOPE IT WILL HELP TO GET GOOD MARKS IN EXAMINATION.
Answered by
2
Answer:
1/√7-√5
MULTIPLYING BY √7+√5 TO BOTH NUMERATOR AND DENOMINATOR TO RATIONALISED DENOMINATOR.(1/√7-√5)×(√7+√5/√7+5).
√7+√5/√7-√5×√7+√5
√7+√5/(√7)^2-(√5)^2
√7+√5/7-5
√7+√5/2 <-------- ANSWER,HOPE IT WILL HELP TO GET GOOD MARKS IN EXAMINATION.
Step-by-step explanation:
1/√7-√5
MULTIPLYING BY √7+√5 TO BOTH NUMERATOR AND DENOMINATOR TO RATIONALISED DENOMINATOR.(1/√7-√5)×(√7+√5/√7+5).
√7+√5/√7-√5×√7+√5
√7+√5/(√7)^2-(√5)^2
√7+√5/7-5
√7+√5/2 <-------- ANSWER,HOPE IT WILL HELP TO GET GOOD MARKS IN EXAMINATION.
Similar questions