Question

4. Evaluate using suitable identities:
a) (92)³​

Answer 1

▬▬▬▬▬ஜ۩۞۩ஜ▬▬▬▬▬▬

$<font color="Purple">$

$<font size="3">$

$\huge{\boxed{\boxed{HEY}}}$

$<font color="Black">$

▬▬▬▬▬ஜ۩۞۩ஜ▬▬▬▬▬▬

$\bold\red{♡FollowMe♡}$

$<font color="blue">$

$\huge\underline\mathscr{Answer}$

$<font color="Black">$

▬▬▬▬▬ஜ۩۞۩ஜ▬▬▬▬▬▬

$<marquee direction="down" bgcolor="black">$

⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️

$</marquee>$

(92)³

= (100-8)³

= 100³ -(8)³ -3×100×8(100-8)

=1000000 - 512 - 2400(92)

=1000000- 512 - 220800

= 1000000 - 221312

= 778688

$<marquee direction="up" bgcolor="black">$

⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️

$</marquee>$

▬▬▬▬▬ஜ۩۞۩ஜ▬▬▬▬▬▬

...Hope it helps....

Answer 2

Answer:

(100-8)^3=(a-b)^3

(100)^3-(8)^3+3×100×8

1000000000-512+2400

1000001888

I hope it helps you and please mark me as branilist.