Let cos^(-1)(x)+cos^(-1)(2x)+cos^(-1)(3x...

Let `cos^(-1)(x)+cos^(-1)(2x)+cos^(-1)(3x)b epidot` If `x` satisfies the equation `a x^3+b x^2+c x-c_1=0,` then the value of `(b-a-c)` is_________

Let cos^(-1)(x)+cos^(-1)(2x)+cos^(-1)(3x)b epidot If x satisfies the e...
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Let cos^(-1)(x)+cos^(-1)(2x)+cos^(-1)(3x)b epidot If x satisfies the e...
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If the function f(x)=(sqrt(1+cos x)+sqrt(1-cos x))/(sqrt(1+cos x)-sqrt...
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Let cos^(-1)(4x^(3)-3x)=a+b cos^(-1)x If x in[-(1)/(2),-1], then a+b p...
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Let cos^(-1)(x)+cos^(-1)(2x)+cos^(-1)(3x)=pi. If x satisfies the cubic...
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Let cos^(-1) (4x^(3) -3x) = a + b cos^(-1) x If x in [-1, -(1)/(2)),...
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Let cos^(-1) (4x^(3) -3x) = a + b cos^(-1) x If x in ((1)/(2), 1], t...
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If x satisfies the cubic equation ax^(3)+bx^(2)+cx+d=0 such that cos...
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Let cos^(-1)(x)+cos^(-1)(2x)+cos^(-1)(3x)b epidot If x satisfies the e...
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