the following table shows the favourite sports of 250 students of a school. represent the data by a bar graph. sports cricket, football, tennis, badminton, swimming. no. of students 75, 35, 50, 25, 65,
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(10) x3 + y3 + z3 - 3xyz = ( x + y + z) (x2 + y2 + z2 - xy - yz - zx) ...
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(10) x3 + y3 + z3 - 3xyz = ( x + y + z) (x2 + y2 + z2 - xy - yz - zx)
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