If 3x+54+1=x+36, then find the value of x.
3
- 3
6
- 6
Given : 3x+54+1=x+36 By taking the LCM, we get 3x+5+44 = x+36 3x+94 = x+36 On cross multiplication, we get 6×(3x+9)=4×(x+3) 18x+54=4x+1218x−4x=12−5414x=−42x=−4214x=−3
If x−1x=√3, then find the value of x3−1x3.
The value of the polynomial 5x–4x2+3, when x=−1 is A) −6 B) 6 C) 2 D) −2