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QNo2. Attempt any six questions: (i) Solve and represent on real line. (ii) Solve and represent on real line. (iii) Shade the solution region. (iv) Define radian. (v) Find arc length if r=6cm and theta=pi/3 rad. (vi) Evaluate: 2sin45+2cos45.

Mathematics

ScanSolve AI Answer

Step-by-step solution

3 steps

QNO2 (i): Solve and represent on real line: 2=7(2x+4)+12x2 = 7(2x+4) + 12x

  1. Expand the right side of the equation.

    2=14x+28+12x2 = 14x + 28 + 12x
  2. Combine like terms on the right side.

    2=26x+282 = 26x + 28
  3. Isolate xx.

    Subtract 28 from both sides.

    2−28=26x2 - 28 = 26x −26=26x-26 = 26x

    Divide by 26.

    x=−2626x = \frac{-26}{26} x=−1x = -1

    Step

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