Question

Without actual squaring find the value of a 42 square - 41 square

Answer 1

${(42)}^{2} - {(41)}^{2} \\ (42 + 41)(42 - 41) \\ 83 \times 1 \\ 83$

Answer 2

Answer:

83

Step-by-step explanation:

(42)^2-(41)^2

=(42+41)(42-41)

=83×1

=83

so,83 is your answer