Question

2. Find the value of 27x3 + 8yº if:
(i) 3x + 2y = 14 and xy = 8​

Answer 1

Answer:

uovnfka gkfsinparwnhfwomfakhtmkadvaafBgsudkhxmufGJMsgjgjkhgjudnufmuful

Answer 2

Answer:

728

Step-by-step explanation:

Using identity:-

$(3x + 2y)^{3}  = 27x^{3} + 8y^{3} + (3*3x*2y)(3x +2y)$

$14^{3}  = 27x^{3} + 8y^{3} + (18*14*8)$

$2744 = 27x^{3} + 8y^{3} + 2016$

$728 = 27x^{3} + 8y^{3}$

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