alok vidyashram summer vacation holiday homework 2012

More documents

Recommendations

Info

ALOK VIDYASHRAM SUMMER VACATION HOLIDAY HOMEWORK <strong>2012</strong> SUBJECTS ENGLISH CLASS: VIII SLC HOMEWORK Read a book of your choice and write the book review. Stick pictures of people associated with Mount Everest with their general introduction in your scrap book. Write a survey or report. Write a list of 20 synonyms and antonyms ENGLISH GRAMMAR COMP. MATHS Add: 1. 3a 2 +4a-7, 2a 2 -8a-2, -5a 2 + 3a+9 2. 2x 3 y-7x 2 y 2 + 3xy 3 - 9, 4x 2 y 2 - xy 3 , 6x 3 y+5x 2 y 2 3. 2x(xy-3y) – 4, 3y(x+2y) 3, 9x 2 y + xy-5y 2 +1 Subtract: 1. 5a 4 +3a 3 b-2a 2 b 2 -ab 3 +ab 4 from 7a 4 -a 3 b+4a 2 b 2 -6ab 3 -3b 4 2. 2a(b+c)-3b(c+a)-4c(a+b) from 3ab+4ca-2bc Divide: 1. (x2+7x+12) by (x+4) 2. (4x 6 -4x 5 -5x 4 -23x 3 -29x 2 -21x-18) by (2x 2 +x+3) Solve the following problems: 1) If a-b=6 and ab=4 find the value of a 2 +b 2 2) If a-b =a and ab=5, find the value of a 2 +b 2 3) If x+1/2=3, find the value of a 2 +b 2 4) If x-1/2=3 find the value of x 2 +1/x 2 5) If p-q=3 and p 2 +q 2 = 23 find pq 6) If (a-b)=5 and ab=6, find the value of x 3 -1/x 3 7) If (x+1/x)=9 find the value of x 3 +1/x 3 8) If x+y=3, find the value of x 3 +y 3 +9ab 9) If 2x+1/2x=4 find the value of 8x 3 +1/8x 3 10) If 3x-1/3x=5 find the value of 27x 3 -1/27x 3 Factorise: 1) X 2 +xy+xz+yz 2) 2ax 2 +2axy+3bxy+3by 2 +4czx+4czy 3) A 2 x+abx+ac+aby+b 2 y+bc 4) X 4 +x2y 2 +y 4 5) 4x 4 +y 4 6) A 4 +a 2 b 2 +b 4 OPT. MATHS 7) 25x 4 +4x 2 y 2 +4y 4 Find the product: 1) (1+tan A) (1-tanA) (1+tan 2 A) 2) (sinθ-cosα) (sin 2 θ+sinθ.cosα +c0s 2 α) Factorize: 1) sin 2 A-cos 2 β 2)tan 3 -cot 3 χ 3)sec 4 β-cos 4 β Simplify: 2 (sin A − cos A) 1) 2) (sinA+cosA) 2 -(sinA-cosA )2 2 2 sin A − cos A Prove that: 3 3 sin θ − cos θ 1) = sinθ − cosθ 1+ sinθ − cosθ
ALOK VIDYASHRAM SUMMER VACATION HOLIDAY HOMEWORK <strong>2012</strong> 1+ sinθ cosθ 2) + + 2secθ cosθ 1+ sinθ 3) Cos 4 θ-cose c2 θ=cos 2 θ+cot 4 θ 4) Sin 2 A-sin 2 β=cot 2 β-cot 2 θ 5) Prove that sinθ 1− sin 2 θ +cosθ 1− cos 2 θ =2sinθ.cosθ 6) Prove that: (sinA+cosA) 2 +(sinA-cos) 2 =2 7) tanA+cosA+secA.cosecA 8) sec 4 χ-sec 2 χ=tan 2 χ+tan 4 χ 9) 1 =sinA.cosA tan A + cot A 4 4 sin θ − cos θ =sinθ-cosθ sinθ + cosθ Atomic model 1 to 20. Make two projects for the science exhibition SCIENCE NEPALI s_…k|Zgf]Q/Ú sljtf s07 kf/ / sljtfnfO{ k9]/ cfˆg} zAbdf n]v . v_sfg'gsf] dxTTjaf/] cfˆgf dgdf nfu]sf s'/fx¿ a'Fbfsf ¿kdf l6k]/ ltg}sf cfwf/df lgaGw n]v . u_ uf]kfnk|;fb l/dfnsf] 5f]6f] hLjgL n]v . 3_ kf7 ( df /x]sf] ls;fg sljtf /fd|f cIf/df ;f/ / s07 kf/ . ª_ g]kfnL lstfasf] k]h ## sf] l;h{gfTds cEof; u/ . SOCIAL STUDIES COMPUTER RELIGION & CULTURE 1) Prepare a pocket book (mini book) about your country Nepal (with physical and socio-economic features with separate sub-titles. (Collect the information from books, atlas and internet). 2) Draw two maps of Nepal and insert the major cities and cultivation areas in one and minerals and national parks in the other. Complete all exercise of ch-2 and draw all network model on cardboard paper. Write about different Hindu festivals we celebrate in Nepal and stick pictures of each festival.
Page 1 and 2: ALOK VIDYASHRAM SUMMER VACATION HOL
Page 5 and 6: SUBJECTS ENGLISH ENGLISH GRAMMAR AL
Page 9 and 10: SUBJECTS ENGLISH COMMUNICATION ALOK
Page 11: ALOK VIDYASHRAM SUMMER VACATION HOL

alok vidyashram summer vacation holiday homework 2012

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?