Question

$-4/27xyz(9/2x^{2} -3/4xyz^{2} )$

Answer 1

Answer:

If x3 + y3 = 9 and x + y = 3, then the value of x4 +y4 is, ... For any real number x the maximum value of 4−6x−x2 is at x=, ...

Answer 2

Algebraic Expressions and Identities

(ix) xy + yz + zt + tx ... (iv) 3/2a – 5/4b + 2/5c, 2/ 3a - 7/2b + 7/2c, 5/3a + 5/2b – 5/4c ... (iii) 7/4x3 + 3/5x2 + 1/2x + 9/2 from 7/2 – x/3 – x2/5. (iv) ... (-4/27xyz × 9/2x2yz) – (-4/27xyz × 3/4xyz2).