dats swe

in #mec6 years ago
  1. By Newton’s second law , the acceleration is directly proportional to ……… .
    Simplify (a×a×a……a)/(a+a+a+⋯a)
    p terms
    A.a^(p-1)/p B.pa^(p/2) C.a^p/(p-2) D.p/2 E.1
  1. The value of {[(2)^(-1) ]^(-1) }^(-1)is
    A.2 B.-2 C.-1/2 D.1/4 E.1/2
    7.5^(3^2 )/(5^3 )^2 =…….
    Which of the following is (are) false?
    1.(a+b)^2 =a^2 +b^2 2.√(a+b) =√a +√b 3.(ab)2 =a2b2
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