Question

Solve the question given below

103×107 And (99)³

Dont Spam !!!​

Answer 1

11021, 970299

Step-by-step explanation:

103×107 = 11021

(99)^3= 970299

Answer 2

${\large{\bf{\underline{\underline{\purple{ In \: Question ❓ }}}}}}$

.

• FOMULA WE HAVE TO USE FOR SOLVING FIRST QUESTION .

.

${\large{\bf{\underline{\underline{\red{[x + a] \: [x + b]= x² + [a + b] \: x + ab}}}}}}$

.

SO,

.

${100}^{2} + (3 + 7)100 + (3)(7) \\ 10000 + 1000 + 21 \\ {\small{\bf{\underline{\underline{\blue{ = 11021}}}}}}$

.

ANSWER OF 1ST QUESTION = 11021

.

ii) 99³

.

• FORMULA WE HAVE TO USE FOR SOLVING THIS QUESTION

.

${\large{\bf{\underline{\underline{\red{ {(a + b)}^{3} = a³ + b³ + 3ab \: (a - b) }}}}}}$

.

SO,

.

$(100)³-(1)³-3(100)(1)(100-1) \\ 1000000 - 1 - 300(99) \\ {\small{\bf{\underline{\underline{\blue{ = 970299}}}}}}$

.

So,

.

ANSWER OF 2ND QUESTION IS = 970299