if √x+1 + √x-1 = 2, then the value of x is??
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Step-by-step explanation:
√x+1 + √x-1 = 2.
minus 1 and plus 1 gets cancelled....
so,√x+√x= 2.
2√x = 2.
√x = 2/2.
√x = 1.
x = √1.
x= √(1)^2
square and root gets cancelled....because 1 is an perfect square....
x = 1
aparnashreegmailcom:
@babushall you had written here, x=√1 and x=1 but how?? previously it is x=√1 and now x=1?
ok I understand it
1 is perfect square
then why you have reported my answer
1 is perfect square....so both square and square root gets cancelled
so x =1
yah i got it
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