જો $y = \cos^{-1} \left\{ \frac{a \cos x - b \sin x}{\sqrt{a^2 + b^2}} \right\}$ હોય,તો $\frac{d^2 y}{d x^2}$ ની કિંમત શોધો.

  • A
    $a - b$
  • B
    $a + b$
  • C
    $1$
  • D
    $0$

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Similar Questions

$y = a \cos x + (b + 2x) \sin x \Rightarrow y^{\prime \prime} + y = $

જો $y=A \cos n x+B \sin n x$ હોય,તો $y_2+n^2 y$ ની કિંમત કેટલી થાય?

જો $y = a{e^x} + b{e^{-x}} + c$ જ્યાં $a, b, c$ પ્રાચલો (parameters) હોય,તો $y''' = $

જો $y = \sin^{-1} x$ હોય,તો $(1 - x^2) y_2 - x y_1 = $

જો $y=3 e^{2 x}+2 e^{3 x}$ હોય,તો સાબિત કરો કે $\frac{d^{2} y}{d x^{2}}-5 \frac{d y}{d x}+6 y=0$.

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