[10] Q6. If angle between two lines is /4 and slope of one line is 1/2,...

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[10] Q6. If angle between two lines is "/4 and slope of one line is 1/2, find slope of other line. Q7. Find derivative of the function f(x) = 2x + 3x-5 at x = 1 also prove that f(0) + 3f (-1) = 0. [10] [10] Q6. If angle between two lines is "/4 and slope of one line is 1/2, find slope of other line. Q7. Find derivative of the function f(x) = 2x + 3x-5 at x = 1 also prove that f(0) + 3f (-1) = 0. [10]