' जिसके सिर पर चन्द्र हो ' - के लिए उपयुक्त शब्द है __________

If 27 (x+y)³ − 8(x−y)³ = (x + 5y) (Ax² + By² + Cxy), then what is the value of (A+B-C)?

If 4x + 1/3x = 12 then find the value of 9x² +1/16x².

x = 7 - 4√3 then the value of x³+1/x³ is equal to?

If x = (2+√3)/(2-√3), y = (2-√3)/(2+√3)

Then find out the value of (x²+y²-xy)/(x²+y²+xy)

If (x²+y²+z²)/(xy+yz+zx) = 1

Find (x+y)/z + (y+z)/x + (z+x)/y

when x =5 and y =-7 then find the value of 27x³ +58x²y +31xy² +8y³?

Find the value of ‘x’ in the given expression:

(49/16)^x× (64/343)^x-1= 4/7

The value of:

Find ‘x’ if (x³+3x)/(3x²+1) = 189/61