Question

Without actual multiplication, find the square of 75 containing 5 in units

place​

Answer 1

Step-by-step explanation:

any number multiplied with 5

then the units of result will be 0 or 5

if even number is multiplied with 5 then the units place of result is 0

whereas odd number then it is 5

as 75 is odd number 75² ends with 5

Answer 2

(70+5)²= (70+5) *(70+5)= 4900+ 350+350+25= 5,625

Step-by-step explanation:

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