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3. Find the value of

ab÷2(c2+d+e2) — a2 (b2-d+e)÷2+abc (a+c)÷2 =24÷2(4+8+0)-16 (36-8+0)2+48x6÷2

= 24 24 448÷2 + 288 ÷ 2

[ocr errors]

= 1-224+144 = -79

4. Find the value of

2(a3b-d2-a2c) ad + 3b (a+5cd-a2d) ÷ bab =2(384-64-32) ÷ 32 +18 (4 × 80—128) ÷ 144 = 576÷32 - 792÷144 = 18—51⁄2 = 12}

5. Find the value of

=

[3a+2c-d]+2+c-[2b+c-d]÷2

(12+48)2+2

(12+2-8)÷2

= 8÷2+2−6÷2=4+2−3 = 3

6. Find the value of

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=

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[blocks in formation]

(4a2+b−6b2)]

5 [a3+c
=5[(64+2)-(4×16+6-6 × 36)]

= 5 (282-70) = 5 × 212 = 1060

8. Find the value of

[(a-b)-(c-d)]2 + [(e-d2) (b+c-2d)]

= [(4—6) — (2-8)]2 + [(0−8×8) (6+2−2×8)]

= [4]2 + [−64× −8] = 16+512 = 528

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