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The correct answer is A
If ab = -15 and (a2 + b2) = 34, then find the value of (a – b).
If cos(A - B) =√3/2and cot(A + B) = 1/√3, where A - B and A + B are acute angles, then (2A - 3B) is equal to:
If (x2 + y2) = 9 and (xy)2 = 3, then find the value of (x4 + y4).
If a + b + c = 8, a² + b² + c² = 18 and ab + b c+ ca = 12, then what is the value of a³ + b³ +c³ –3abc?
if 2x +3y =7 and 2x+2 -3y+2 =7, then find the value of x and y.
If (a – 8) 2 + (b + 2) 2 + (c – 3) 2 = 0, then find the value √(a +b + c).
...A man covered 40 km by bus and rest 25 km on foot. If the speed of the bus is 150% more than that of the man and the whole distance is covered in 2 hour...
If a = 2 + √3, then the value of`(a^(6) + a^(4) + a^(2) + 1)/(a^(3))` is
