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CBSE Class 11-science Answered

6th sum plz

Plz answer questions fastly.u take so much time

Asked by lovemaan5500 | 07 Oct, 2018, 12:16: PM
Expert Answer
According to the question,
the equation of required line be
4x + 7y - 3 + λ(2x - 3y + 1) = 0
(4 + 2λ) x + (7 - 3λ) y = 3 - λ.........(i)
begin mathsize 16px style fraction numerator straight x over denominator begin display style fraction numerator 3 minus straight lambda over denominator 4 plus 2 straight lambda end fraction end style end fraction plus fraction numerator straight y over denominator begin display style fraction numerator 3 minus straight lambda over denominator 7 minus 3 straight lambda end fraction end style end fraction equals 1
fraction numerator begin display style 3 minus straight lambda end style over denominator begin display style 4 plus 2 straight lambda end style end fraction equals fraction numerator begin display style 3 minus straight lambda end style over denominator begin display style 7 minus 3 straight lambda end style end fraction
Solving space this space we space get space straight lambda equals 3 over 5
Put space it space in space left parenthesis straight i right parenthesis space we space get
13 straight x plus 13 straight y minus 6 equals 0 end style
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