if x=2+√3,find the value of x³+1/x³.
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rakeshmohata:
to get - 2ab I added ab and - अब
- ab
{(a2+b2-2ab) ab} please explain this line bhaiya.
if x=5-√3/5+√3 and y=5+√3/5-√3, show that x²-y²=-10√3/11
bhaiya this sum please
a² +b² +2ab-ab = a² +b² +ab
I was having the Right hand term so. I made it as left hand to make it simple
bhaiya can you please give me your WhatsApp number if i will have any problem then i will ask you there only please bhaiya.
rationalise the denominator 3/√3+√5-√2
bhaiya please solve this please
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Answer:
x+1/x = 4
now (x + 1/x)3 = x3 + 1/x3 + 3* x* 1/x (x + 1/x)
x3 + 1/x3 + 3* 4
so
x3 + 1/x3 = 64 –12 = 52
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