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7 × (7 + 1) = 56 5 × (5 + 1) = 30 Alternate Method: (7 x 7) + 7 = 56 (5 x 5) + 5 = 30
The coefficient of ‘b2’ in (3a + b)3 is
Determine the remainder when the polynomial 4x 3 - 5x 2 + 2x + 1 is divided by (4x - 3).
If (x² + 1)/x = 3, what is the value of (x¹² + 1)/x ⁶ ?
If ( m+n ) : √ (mn) = 4, m>n , Then find the value of m : n ?
If x + y + z = 10 and x² + y² + z² = 36, then what is the value of x y + y z + z x?
If x = 35, then the value of x5 - 36x4 + 36x3 - 36x2 + 36x - 1 is
The area of △ ABC is 44 cm2 . If D is the midpoint of BC and E is the midpoint of AB, then the area of △ BDE is
If a = 2 + √3, then the value of (a6 + a4 + a2 + 1)/a3 is