5p-3q=42; 5p+3q=18 Given this system of equations,what is the value of ।p। +।q। ?
Solution
Correct Answer: Option D
5p-3q=42...(i)
5p+3q=18...(ii)
(i)+(ii)
10p=60
∴ p=6
অতএব , (ii) -
5.6+3q=18
বা, 30+3q=18
বা, 3q=-12
বা, q=-4
অতএব ,
।p। +।q।
=।6।+।-4।
=6+4=10
5p+3q=18...(ii)
(i)+(ii)
10p=60
∴ p=6
অতএব , (ii) -
5.6+3q=18
বা, 30+3q=18
বা, 3q=-12
বা, q=-4
অতএব ,
।p। +।q।
=।6।+।-4।
=6+4=10
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