doc-w
doc-w
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5/4 = 4/4 + 1/4 = 1 + 1/4 = one and a quarter 1(1/4)
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IN A CERTAIN STEAM HAMMER WHOSE STROKE IS 600MM; THE WEIGHT OF THE TUP IS 360KG. WHEN THE TUP IS ALLOWED TO FALL FREELY, IT IS FOUND THAT THE AVERAGE INDENTATION PRODUCED IN A PIECE OF HOT IRON IS 6MM.WHAT IS THE AVERAGE FORCE OF THE BLOW. 600 m…
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6r^2 + 7r -3 = 0 (3r - 1)(2r + 3) = 0 3r - 1 = 0 so r = 1/3 2r + 3 = 0 so r = -3/2
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6r^2 + 7r -3 = 0 (3r - 1)(2r + 3) = 0 3r - 1 = 0 so r = 1/3 2r + 3 = 0 so r = -3/2
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6r^2 + 7r -3 = 0 (3r - 1)(2r + 3) = 0 3r - 1 = 0 so r = 1/3 2r + 3 = 0 so r = -3/2