Question

Find the value of (190)2using suitable identity.

Answer 1

Answer:

43900

Step-by-step explanation:

(200-10)2

a2 -2ab + b2

(200)2 - 2(200)(-10) +(-10)2

40000+4000-100

40000+3900

43900

Answer 2

Answer: hey mate answer is 11,881 .

Step-by-step explanation:

(109)^2 = (100 + 9)^2

100^2 + 9^2 + 2 * 100 * 9 [ using identity : ( a+ b )^2 ]

10,000 + 81 + 1800

11,881.

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