factorise question no. 2, 3
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2) 25x^2/4 - y^2/9
(a^2 - b^2) = (a+b)(a-b)
25x^2/4 - y^2/9 = (5x/2 +y/3)(5x/2-y/3)
3) 81 - 6x^2 = (9 + √6x)(9-√6x)
(a^2 - b^2) = (a+b)(a-b)
25x^2/4 - y^2/9 = (5x/2 +y/3)(5x/2-y/3)
3) 81 - 6x^2 = (9 + √6x)(9-√6x)
roshni41:
it is wrong
Its a mistake of 1 so I will edit it
16 bevome 6 otherwise I am correct
I have seen but thete is no option to correct my mistake
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I hope this will help u dear Roshni........☺️^-^☺️
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