Q3 of 180 Page 4

If the system of equations kx – 5y = 2, 6x + 2y = 7 has no solution, then find the value of k.

We know, if the pair of linear equations


a1x + b1y + c1 = 0


a2x + b2y + c2 = 0


has no solution, then


In this case,



⇒ k = -15 and k


More from this chapter

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1

If α, β are 2

If x = √p + √q, where p and q are distinct primes then which of the following is a rational number?

A. (√p + √q)2


B. (√p - √q)2


C. (√p + √q)(√p - √q)


D. None of these


OR


Write three irrational numbers between √2 and √3


 4

If angles A 5