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4. Prove:

+

(i) (x – y – 2)2 – (x2 + y2 + z2) = 2(yz – zx – xy)

(ii) (3p – 5q)2 – (3p + 5)2 + 60pq = 0

(iii) (

Question

4. Prove:

+

(i) (x – y – 2)2 – (x2 + y2 + z2) = 2(yz – zx – xy)

(ii) (3p – 5q)2 – (3p + 5)2 + 60pq = 0

(iii) (5a – 2)(5a – 8) = 25(a – 1)2 – 9.

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Mathematics
2 months
2021-07-30T02:43:27+00:00
2021-07-30T02:43:27+00:00 1 Answers
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## Answers ( )

374*493^×272+365+478*583^÷4747