Question

વગૅ શોધો (b-7)² plz full anser plz



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Answer 1

$(a - b)^{2} = a^{2} + b^{2} - 2ab$

:

$(b - 7)^{2} = b^{2} + 7^{2} - 2 \times b \times 7$

:

$(b - 7) ^{2} = b ^{2} + 49 - 2 \times 7 \times b$

$= b ^{2} + 49 - 14b$

HOPE THIS HELPS