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If a3 — b3 = 602 and a— b = 2, then find the value of( a2 + b2)
A boat covers a distance of 75 km downstream in 2.5 hours. If the ratio of upstream speed to downstream speed of the boat is 3:5, then find the distance...
If A = (7)1/3 + (7) -1/3, then the value of {3A3 – 9A} will be:
In a triangle ABC, a point D lies on AB and points E and F lie on BC such that DF is parallel to AC and DE is parallel to AF. If BE = 4 cm. EF = 6cm. th...
`25(2/3)+11(1/9)+16(4/5)xx6(5/12)` = ? -`632/45`
Find the value x2 + y2, if xy = 13 and x + y = 7.
If (x –1.3)3+(x–1.4)3+(x–1.5)3 = 3(x–1.3)(x–1.4)(x–1.5), Then x = ?
If (3x - y) = 3, xy = (2/3), then find the value of {x3 - (y3/27)}