Question

4. Find the value of 54 x 56 by using suitable identity.​

Answer 1

WRONG QUESTION..

CORRECT QUESTION IS  54×46

⇒(50+4)(50−4)

⇒(50)2−(4)2

⇒2500−16

⇒2484.

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Answer 2

Answer:

54 × 56 = 3024

Step-by-step explanation:

We have,

54 × 56

= (50 + 4)(50 + 6)

Using the identity,

(x + a)(x + b) = x² + (a + b)x + (ab)

Hence,

54 × 56

= (50 × 4)(50 × 6)

= 50² + (4 + 6)50 + (4 × 6)

= 2500 + (10)50 + 24

= 2500 + 500 + 24

= 3024

Hence,

54 × 56 = 3024

Hope it helped and believing you understood it........All the best