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Consider the system of equations x+y+z...

Consider the system of equations
x+y+z=5, x+2y+3z=9, x+3y+`lambda z=mu`
The sustem is called smart brilliant good and lazy according as it has solution unique solution infinitely many solution respectively .
The system is smart if

A

`lambdane5 "or" lambda=5 "and" mu =13`

B

`lambdane5 " ""and"" " mu =13`

C

`lambdane5 " ""and"" " mu ne13`

D

`lambdane5 or lambda" ""and"" " mu ne13`

Text Solution

Verified by Experts

The correct Answer is:
A
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ARIHANT MATHS-DETERMINANTS -Exercise (Passage Based Questions)
  1. Consider the system of equations x+y+z=5, x+2y+3z=9, x+3y+lambda z=m...

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  2. Consider the system of equations x+y+z=5, x+2y+3z=9, x+3y+lambda z=m...

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  3. Consider the system of equations x+y+z=5, x+2y+3z=9, x+3y+lambda z=m...

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  4. If Delta=|{:(a(11),a(12),a(13)),(a(21),a(22),a(23)),(a(31),a(32),a(33)...

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  5. If Delta=|{:(a(11),a(12),a(13)),(a(21),a(22),a(23)),(a(31),a(32),a(33)...

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  6. If Delta=|{:(a(11),a(12),a(13)),(a(21),a(22),a(23)),(a(31),a(32),a(33)...

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  7. If alpha,beta,gamma are the roots of x^(3)+2x^(2)-x-3=0 The value of ...

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  8. If alpha,beta,gamma are the roots of x^(3)+2x^(2)-x-3=0. If the abso...

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  9. If alpha,beta,gamma are the roots of x^(3)+2x^(2)-x-3=0. If a = al...

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  10. Suppose f(x) is a function satisfying the folowing conditions: (i)f(...

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  11. Suppose f(x) is a function satisfying the folowing conditions: (i)f(...

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  12. Suppose f(x) is a function satisfying the folowing conditions: (i)f(...

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  13. If |{:(x,e^(x-1),(x-1)^(3)),(x-lx,cos(x-1),(x-1)^(2)),(tanx,sin^(2)x,c...

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  14. If |{:(x,e^(x-1),(x-1)^(3)),(x-lx,cos(x-1),(x-1)^(2)),(tanx,sin^(2)x,c...

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  15. If |{:(x,e^(x-1),(x-1)^(3)),(x-lx,cos(x-1),(x-1)^(2)),(tanx,sin^(2)x,c...

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  16. Let Delta =|{:(-bc,b^(2)+bc,c^(2)+bc),(a^(2)+ac,-ac,c^(2)+ac),(a^(2)+a...

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  17. Let Delta =|{:(-bc,b^(2)+bc,c^(2)+bc),(a^(2)+ac,-ac,c^(2)+ac),(a^(2)+a...

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  18. Let Delta =|{:(-bc,b^(2)+bc,c^(2)+bc),(a^(2)+ac,-ac,c^(2)+ac),(a^(2)+a...

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  19. If Deltan=|{:(a^(2)+n,ab,ac),(ab,b^(2)+n,bc),(ac,bc,c^(2)+n):}|,n in ...

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  20. If Deltan=|{:(a^(2)+n,ab,ac),(ab,b^(2)+n,bc),(ac,bc,c^(2)+n):}|,n in ...

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