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Example 15 - Find value of p for which 4x + py + 8 = 0 - Examples

  1. Chapter 3 Class 10 Pair of Linear Equations in Two Variables
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Example 15 For which values of p does the pair of equations given below has unique solution? 4x + py + 8 =0 2x + 2y + 2 = 0 4x + py + 8 = 0 2x + 2y + 2 = 0 So, a1 = 4 , b1 = p , c1 = 8 & a2 = 2 , b2 = 2 , c2 = 2 Given that equations has unique number of solutions ๐‘Ž1/๐‘Ž2 โ‰  ๐‘1/๐‘2 4/2 โ‰  ๐‘/2 ๐‘/2 "โ‰ " 4/2 ๐‘ "โ‰ " 4/2 ร— 2 p "โ‰ " 4 So, for all values of p except 4, We will have a unique solution for the given set of questions

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