The value of ⁻¹ ( 3 5 )+ ⁻¹ ( 1 7 ) is equal to

Step-by-step solution

⁻¹ ( 3 5 )+ ⁻¹ ( 1 7 ) = 3 5 aligned & = 3 4 & = ⁻¹ ( 3 4 )+ ⁻¹ ( 1 7 ) aligned = ⁻¹ ( 3 4 + 1 7 1- 3 4 1 7 )= ⁻¹ ( 21+4 28 28-3 28 )= ⁻¹ ( 25 25 )= ⁻¹(1)= 4