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Show that two lines a(1)x + b(1) y+ c(1)...

Show that two lines `a_(1)x + b_(1) y+ c_(1) = 0 " and " a_(2)x + b_(2) y + c_(2) = 0 " where " b_(1) , b_(2) ne 0 ` are :
(i) Parallel if `a_(1)/b_(1) = a_(2)/b_(2) `, and (ii) Perpendicular if `a_(1) a_(2) + b_(1) b_(2) = 0 `.

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The correct Answer is:
(i)` a_(2)/b_(2) , (ii) = 0 `
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NCERT TELUGU-STRAIGHT LINES-Miscellaneous Exercise on Chapter 10
  1. Show that two lines a(1)x + b(1) y+ c(1) = 0 " and " a(2)x + b(2) y + ...

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  2. Write the place of numbers underlined? 1 ul2 3 ul7 ul2

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  3. Write the place of numbers underlined? 2 ul2 ul5 11

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  4. Write the place of numbers underlined? 9 ul1 ul6 2 3

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  5. Write the place of numbers underlined? 7 ul2 8 7 ul6

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  6. Write the place of numbers underlined? 1 0 ul9 ul2 5

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  7. Write the place of numbers underlined? 2 ul3 9 ul7 1

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  8. Write the place of numbers underlined? 3 ul2 6 ul2 1

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  9. Write the place of numbers underlined? 5 ul6 ul8 43

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  10. Write the place of numbers underlined? 9 ul7 ul2 ul6 87

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  11. Find the product of the following 11ab^(3),9a^(2)

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  12. Find the product of the following 9p^(2),2q^(3)

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  13. Find the product of the following 5a^(3)b,2b^(3)c

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  14. Find the product of the following 6x^(2)y,21xy^(2)

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  15. Find the product of the following 12x^(2)yz^(2),5x^(2)

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  16. Find the product of the following 5a^(2)b^(2),8a^(3)

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  17. Find the product of the following 6x^(2)y,6x^(2)

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  18. Find the product of the following 2p^(3)q,7pq^(4)

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  19. Find the product of the following 13p^(2)qr,2pq^(3)

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  20. Find the product of the following 5a^(3)b,7ab^(2)

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  21. Find the product of the following pairs 11p^(2)qr,6p^(2)

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