If is the harmonic mean of and , and is the arithmetic mean of and , then which of the following is/are correct? 1. 2 ( + 4 ) = 2 2. 2 = ( - 4 ) Select the correct answer using the code given below:

Step-by-step solution

From question, , and are in H.P. then, = 2 + and , and are in A.P. then, 2 = + Statement 1: 2 ( + 4 ) aligned & =( + ) 2 + & =2 = 2 aligned Statement 2: ( - 4 )= 1 2 ( + )= 2 2 = 2