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If the ordered pairs ( a+2,4) and (5,2a+b) are equal then {a,b} is |
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Answer» If ordered pairs are equal, then there domain and range are also equal. So, a+2=5 So, a=5-2 a=3 Now 4=2a+b Putting the value of a, we get; 4=3×2+b So,4=6+b Therefore b=-2. |
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