Math, asked by hs8907386, 6 months ago

(x + y)2 – 4xy – 9z2

Answers

Answered by chandniawase

5

Answer:

(x+y) 2-4xy-9z2

=(xy) -(xy) 2-4)×-9z2

=2×9z2

=18z2

Previous Question

Next Question

Similar questions

Computer Science, 2 months ago

HOW LONG OUR BODY SURVIVE IN SPACE WITHOUT OXYGEN??

Math, 2 months ago

$2 \frac{1}{3} + 3 \frac{1}{2 } - 1 \frac{1}{4}$ solve...

Chemistry, 2 months ago

The electronic configuration of chromium (Cr²⁴) written as [Ar] 3d⁴ 4s² . Is it correct ? Give reason...

Chemistry, 6 months ago

The enthalpy of combustion of ethane, graphite and dihydrogen at 298 K respectively are -1560 kJ mol-1, - 393.5 kJ mol-1 and - 285.8 kJ mol-1. The enthalpy of formation of C2H6 is...

English, 6 months ago

(i) what happened when the lost child reached the temple door? (ii) Describe the precious things mentioned in the story "The Happy Prince'. Why are they...

Science, 11 months ago

Example 1. An iron ball of mass 3 kg is released from a height of 125 m and falls freely to the ground. Assuming that the value of g is 10 m/s, calculate (i) time taken by the ball to reach the ground (ii) velocity of the ball on reaching the ground (iii) the height of the ball at half the time it takes to reach the ground. Given: m = 3 ka distance...

Biology, 11 months ago

SHARK KA SABSE DANGEROUS SHARK. SO USEFUL ...

Physics, 11 months ago

the linear speed of rocket is not constant in its orbit. Comment...