11. If x=3√5 + 2√2 and y = 3√5 - 2√2, then find the value of x2
– y2
is 24√10.
Answers
Answered by
2
Answer:
sorry I didn't know that answer
Answered by
2
Answer:
hi friend
- Step-by-step explanation the given values are x=3√5+2√2 y=3√5-2√2 according to question we have to find x²-y² we take the formula x²-y²=(x+y)(x-y) then substituting the given values x²-y²=(x+y)(x-y) x²-y²=24√10 (given in the question ) 24√10=(x+y)(x-y) 24√10=(3√5+2√2+3√5-2√2)(3√5+2√2-3√5+2√2) 24√10=(6√5)(4√2) 24√10=24√10 hence proved
Similar questions