Mathematics
Assertion (A): If a = 2, b = -6 and c = 4, then 3abc - a^3 - b^3 - c^3/ab + bc + ca - a^2 - b^2 - c^2 = 0 Reason (R): If a + b + c = 0 then a^3 + b^3 + c^3 + 3abc = 0 1. A is true, R is false. 2. A is false, R is true. 3. Both A and R are true. 4. Both A and R are false.
Related Questions
Assertion (A): If 2x - 3y = 10 and xy = 16, then value of - 27y3 + 8x3 = 3880.
Reason (R): x3 - y3 = (x - y) (x2 + xy + y2).
- A is true, R is false.
- A is false, R is true.
- Both A and R are true.
- Both A and R are false.
Assertion (A): 5x5 - 20x3 in the form of factors is 5x3(x2 - 4).
Reason (R):
5x5 - 20x3
= 5x3(x2 - 4)
= 5x3(x + 2)(x - 2).- A is true, R is false.
- A is false, R is true.
- Both A and R are true.
- Both A and R are false.
Assertion (A): a(2x - 3y) + b(3y - 2x)2 = a(2x - 3y) - b(2x - 3y)2
Reason (R): +b(3y - 2x)2 is not equal to -b(2x - 3y)2.
- A is true, R is false.
- A is false, R is true.
- Both A and R are true.
- Both A and R are false.