Question Simplify the expression −Jng21ir Evaluate r×1÷2JingAny expression multiplied by 1 remains the same r÷2JingMultiply the numbers r÷2iJngRewrite the expression 2iJngrDivide the terms More Steps Evaluate 2i1Multiply by the Conjugate 2i×iiCalculate More Steps Evaluate 2i×iMultiply 2i2Use i2=−1 to transform the expression 2(−1)Calculate −2 −2iUse b−a=−ba=−ba to rewrite the fraction −2iReduce the fraction −21i Jng−21irSolution −Jng21ir Show Solution Find the excluded values J=0,n=0,g=0 Evaluate r×1÷2JingTo find the excluded values,set the denominators equal to 0 Jng=0Separate the equation into 3 possible cases J=0n=0g=0Solution J=0,n=0,g=0 Show Solution