Question

(666 ... 6)² + (888 ... 8) is equal to ????-???????????????????????? ????-???????????????????????? (a) 4/9 (10ⁿ -1) (b) 4/9 (10²ⁿ - 1) (c) 4/9 (10ⁿ - 1)² (d) none of these

Answer 1

Answer:

too oops many questions marks is your question correct ??