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Start learning 50% faster. Sign in nowGiven that, x + y = 2 and 1/x + 1/y = 18/15 Using, 1/x + 1/y = 18/15 (x + y)/xy = 18/15 2/xy = 18/15 Therefore, xy = 15/9 Now, by using formula x3 + y3 = (x + y) [(x + y)2 – 3xy] = 2 (4 – 3 × 15/9) = 2 (4 – 5) = -2
In triangle ABC, the difference between angle A and angle B is 16°, and the difference between angle A and angle C is 8°. Determine the measure of an...
In a right-angled triangle, the perimeter is 60 cm. If the base is 12 cm and the height is 16 cm, find the length of the hypotenuse.
A triangle and a parallelogram have the same base 42 cm and the same area. If the height of the parallelogram is 14 cm, then find the length of the alti...
If area of similar triangles ∆ ABC and ∆ DEF be 64 sq Cm and 121 sq cm and EF = 15.4 cm then BC equals
A right-angled triangle has one leg of 12 cm and the hypotenuse of 13 cm. Find the length of the other leg.
