if psquare-qsquare=7 and p-q=2 find p+q
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Answer:
the correct ans is:
3.5
Step-by-step explanation:
p^2 - q^2 = 7 (Given)
or, (p+q)(p-q) = 7 ..(using identity of a^2 - b^2)
or, (p+q)×2 = 7 ..(p-q=2,given)
Or, (p+q) = 7/2 = 3.5
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