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Parvilesh
Answers (1)
Sin^-1(4x⁴+x²)=1/6 pi (4x⁴+x²) = Sin pi/6 4x⁴+x² = 0.5 (put your calculator in radian mode) Then, 4x⁴+x²-0.5=0 Multiply this equ by 2 we get, 8x⁴+2x²-1=0 Disguised equ, let t=x² We get, 8t²+2t-1=0 Sum: 4, Product:-8 (4-2) (4×-2) Then,
