Question

predecessor of this number 3932802201 ​

Answer 1

Given (a + b + c)

= 9 and (ab + bc + ca) = 26 (a + b + c)2 = 92

⇒ a2 + b2 + c2 + 2(ab + bc + ca) = 81

⇒ a2 + b2 + c2 + 2(26) = 81

⇒ a2 + b2 + c2 + 52 = 81

⇒ a2 + b2 + c2 = 81 − 52 = 29

Answer 2

Answer:

3932802200

predecessor -:we should subtract 1