1B Math intermediate
Concept of straight lines 4b and sec 1 and 2
1(B) - 4(b) - sec - III Pair of straight lines
1(B) - 4(C) - sec - I & II Pair of straight lines
1(B) - 4(a) - sec - I Pair of straight lines
1(B) - 9(d) - sec - I Pair of straight lines
Example 4 Pair of straight lines
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